and when we watched this video, we asked what in the world is going on? the changing mood at sporting events and what psychologists say it really shows. we'll have that and more at 6. 30 minutes away. "cbs evening news" with scott pelley coming up. rebels say they control most of tripoli. there are celebrations in the street, but the fight's not over. and where is qaddafi? we have barry peterson in tripoli, mark phillips on nato, and wyatt andrews with the president. oil prices slide, so why are you still paying so much at the pump? mark strassmann has figured it out. dr. jennifer ashton tells us about plans to screen newborns for a silent killer. and chip reid is at the opening of a national monument to a king. >> with this faith we will be

able to hew out of the mountain of despair a stone of hope. captioning sponsored by cbs this is the "cbs evening news" with scott pelley. >> pelley: good evening. fast-moving developments tonight in a war backed by american firepower. libyan rebels are pressing their attack after surging into the capital city, tripoli. forces loyal to the dictator moammar qaddafi have been cornered in small pockets of the city. one of those pockets is qaddafi's presidential compound, which has not yet fallen. qaddafi, who ruled libya for 42 years, has not been found yet, but at least two of his sons reportedly have been arrested. correspondent barry peterson is with the rebel forces. >> reporter: the question tonight: where is qaddafi? his country has gladly abandoned him and most of the capital city is now in the hands of rebels.

you can sum up the mood in rebel-held areas in one word: joyful. families brought their small children to be a part of it, and destroyed tanks were a photo-op of change. >> it's a new day. feel feelings of a new day. >> it's unbelievable. we're so happy. i cannot explain just to you in words. >> reporter: it's hard to believe that a mere 24 hours ago, people might have been prosecuted for gathering like this and supporting the rebel cause. now they're out celebrating, but there are still some no-go zones. this street is blocked down there, an indication that the fighting is still not over. ( gunfire ) >> reporter: even the rebels were surprised at how little resistance they faced in their initial advance.

but there were a few true believers left, by this pistol- packing anchorwoman for state tv, trying to rally qaddafi's forces. but in truth, it's clear there is not much fight left. the rebels are now guarding the base with the notorious khamis brigade, a group of elite soldiers run by one of qaddafi's sons-- basically family enforcers. and when the rebels showed up to confront them, these brave soldiers just melted away. the spoils of war for the rebels included antitank weapons, qaddafi's ammo to be used against him. the big prize remains qaddafi himself, who may be holed up in his tripoli compound, which has come under continuous rebel attack. "even if he runs to australia," says this man, "one way or another, we will get him." the rebels say taking tripoli was a major accomplishment, but they will not declare victory until qaddafi is either captured or killed. scott?

>> pelley: barry, of course, qaddafi's been indicted by the international criminal court for crimes against humanity. i wonder, are you hearing whether any country is willing to take him, to give him refuge? >> reporter: so far, no. he's a pretty toxic guy, and some of the other arab countries have their own troubles. and a friend who defected said this about qaddafi. "he's not like hitler. he doesn't have the courage to kill himself, so he'll likely be taken alive." >> pelley: barry peterson with the rebels in libya. thank you, barry. what we're seeing tonight was largely made possible by u.s. air power. since march, the u.s. has flown more than 5,000 missions, and american taxpayers have spent more than $896 million on this effort. after months of bombardment, the beginning of the end came quickly. on saturday, alex crawford of sky news joined the rebels in zawiyah. and followed them on their lightning dash into tripoli.

>> reporter: street by street, inch by inch, they pushed forward. and forced qaddafi's men into retreat. the qaddafi men were out- numbered and out-maneuvered, and their wounded were abandoned as they fled. they will be on their guard for any qaddafi retaliation now, but the aim is to push on to tripoli. the rebels moved through town after town between zawia and tripoli, meeting little resistance along the way, and as they pushed forward into the capital, in just one day, the roads were choked with vehicles packed full of people who wanted to overthrow the regime. as they edge closer to the center, the residents came out of their homes in their hundreds, greeting the rebels like heroes. but there's an underlying fear of the regime and confusion over

exactly where his troops have gone. this was a sight they thought they would never see-- green square in the center of tripoli in the hands of the rebels. >> pelley: we're joined now by alex crawford of sky tv who just filed that report. and, alex, i understand you're at a hospital in tripoli. i wonder what the conditions are there now. >> reporter: the conditions are absolutely shocking. not least because there have been firefights in and around the region of the hospitals. this has prevented a number of the medical staff, including the cleaners, from getting to the hospital. they are running out of drugs, medicine, and now they're coming seriously close to running out of oxygen. and amongst all the casualties, there are children, at least two of them, one a three-year-old toddler who had a bullet wound to her stomach, and an 11-year- old girl who had been shot in the head by a sniper. >> pelley: give me a sense of tripoli tonight.

is it simply chaos there or do you have a sense that there is organization and restraint on the part of the rebels? >> reporter: the rebels have managed to set up checkpoints on most of the roads. they're trying to control most of it. there clearly are some renegade groups of qaddafi soldiers still out there because there continues to be the sound of gunfire and firefights, particularly around the hospital and the area where we are at the moment. >> pelley: alex crawford of sky news, thank you very much. >> reporter: a pleasure. >> pelley: the rebels began as an ill-equipped, poorly trained amateur force, but they got a huge boost from those nato air strikes and surveillance. mark phillips has that part of the story. >> reporter: the big question after the rebels' shockingly quick advance of the past days is, "how did something that started so badly end up going so well?" in the war's early stages, the

rebel rabble earned their nickname by charging forward to take ground they would quickly lose through bad organization and bad weapons. nato's entry into the conflict may have taken out moammar qaddafi's armored units and control centers, but in close fighting, the rebels still couldn't call in the air strikes they needed. what's lacking? >> lacking is nato-- precision nato strikes. >> reporter: just last month, ahmed shebani complained he'd have to e-mail someone in benghazi to call in nato planes, which then arrived too late. >> it gets difficult to seek and destroy when they're just moving in twos, hiding under trees, camouflaged. >> reporter: in the advance on tripoli, the problem seems to have been solved by removing the middle man, using u.s. drones to provide real-time intelligence, and even using covert nato special forces to call in air strikes. and there were 68 nato attacks on targets in tripoli alone over the weekend.

the u.n. mandate was to protect civilians, but nato's mission creep in libya became obvious, even in the early stages of the conflict, when some of britain's special forces were captured near benghazi. and the longer the conflict dragged on, the greater the involvement of the western powers became. nato says its commitment to protect civilians will continue through the war's end, and possibly into the uncertainty of whatever follows. mark phillips, cbs news, london. >> pelley: what follows is at the top of the president's agenda. wyatt andrews is with the vacationing president on martha's vineyard. >> reporter: the president wasn't ready to declare victory in libya, but he was sending messages to the victors, telling the rebel alliance that will soon govern libya what kind of country the u.s. hopes will emerge from the chaos. >> the opposition should continue to take important steps to bring about a transition that is peaceful, inclusive, and

just. >> reporter: in benghazi, the political leader of the rebels was promising just that. mustafa abdel jalil, head of the transitional national council, urged his fighters, many of whom are loyal to tribal leaders, not to engage in street justice, and to lay down their weapons when the fighting ends, "to prove to the world," jalil said, "that we are a modern islamic nation that respects human rights and humanity." mr. obama also sought to remind americans why qaddafi was worth the use of air power. he recalled qaddafi's links to several terror attacks, including the death of 189 americans in the 1988 midair bombing of pan am flight 103. >> qaddafi's regime has murdered scores of american citizens in acts of terror in the past. today, we remember the lives of those who were taken in those acts of terror, and stand in solidarity with their families.

>> reporter: the defeat of qaddafi took longer than the administration predicted. but for a president who was first criticized for being too aggressive in libya, and later criticized for relying too much on nato, in the end, scott, the approach seems to have worked. >> pelley: thanks, wyatt. when qaddafi goes, he will be the third dictator to fall in what's been called the arab spring. it all started last december with street protests in tunisia. within a month, the tunisian president was gone. days later, protests erupted in egypt, and in a month, president hosni mubarak was gone. and that same week, the libyan protests began. the first atlantic hurricane of the season is now headed for the u.s. the crew of the international space station gave us this remarkable view of irene swirling above the dominican republic. the hurricane has already hit puerto rico as a category one storm, and it's expected to grow to a category three with winds

stronger than 110 miles an hour by the time it brushes the florida coast on thursday. on its current track, irene could make landfall in south carolina on saturday. the price of oil has been falling, so why are gas prices so high? we have some answers. dr. jennifer ashton on a plan to test newborns for congenital heart disease. and vice president biden grapples with some heavyweight diplomacy, when the "cbs evening news" continues. @ robot 1: ...female child. sfx: modem dial-up noise woman: flaws? yeah, um, maybe. anncr: there's an easier way to save. anncr: get online. go to geico.com. get a quote.

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switch to discover. ranked #1 in customer loyalty. it pays to discover. >> pelley: prosecutors in new york asked a judge today to dismiss charges that dominique strauss-kahn sexually assaulted a hotel maid. they said that they can no longer prove that his accuser is telling the truth. at the time of his arrest, strauss-kahn was the head of the international monetary fund and a leading candidate to be the next president of france. the price of oil closed today at about $84 a barrel. that was up nearly $2 from friday. gasoline is down two cents in the past week to a nationwide average of $3.58 a gallon. oil has been falling recently and gas prices, too, but not nearly as rapidly. and if you're wondering why, so were we. so we asked transportation correspondent mark strassmann to find out. >> have a great day, okay? love you.

all right. >> reporter: odetta muhammad is a single mom, a registered nurse, and a frustrated commuter. she drives 70 miles a day and spends $80 a week on gas. >> look at this! my god! >> reporter: do you think between the oil companies and the convenience stores that you're always getting best possible deal? >> no, of course not. don't-- don't quite understand the phenomenon when the gas prices and barrels of the prices of gas are going down the gas prices are still going up. sounds like a profit-type margin. >> reporter: often the price of crude oil and gasoline rise together, but gas usually lags behind crude as prices fall. the price of u.s.-produced crude oil has dropped 30% since may, but gas prices have fallen only 11%. compare that to 2008, when oil prices fell 77% and gasoline dropped 61%. >> as gas prices rise, as increases happen, stores are

more apt to maybe absorb some of those price increases during a rise, and then as prices fall, they may be inclined to lag a little to make up for some of these losses. >> reporter: another important factor is the higher price of imported oil. half the oil america now uses is the more expensive crude produced overseas. >> i'm feeling that every day, along with everyone else. >> reporter: real relief could be a while. gas prices should drop another 40 cents by christmas. mark strassmann, cbs news, atlanta. >> pelley: there's a lot of breaking news today, but we always keep up with the economy and the job situation and one thing that caught our eye today is this: the mortgage bankers association says mortgage delinquency and foreclosures are up slightly.

from 12.84% of u.s. homes to 12.87%. that comes to about 6.3 million homeowners behind on their payments which doesn't body well for spending or jobs. the stock market was a little calmer today. the dow closed up 37 points. nice to have a quieter day, but the dow is off 10.6% for month. as vice president, joe biden gets to do all the fun things that the president doesn't have time for. today, biden was in mongolia, posing with camels, trying his hand at archery, and our personal favorite, getting ready to grapple with a heavyweight wrestler. it is quick. it is painless and cheap. and it could save a newborn's life. we'll tell you about it next. my name's jeff.

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learn how you can save money crafted in skyscrapersnditions >> pelley: g >> pelley: government health advisers laid out a plan today to test newborn babies for a life-threatening heart problem. every year, 40,000 babies are born with heart defects, and a quarter of them need intervention. fortunately, this new test is simple, painless, and cheap. cbs news medical correspondent dr. jennifer ashton has the story. >> reporter: at just one day old, brandon looks healthy, but he's getting a test to check for congenital heart defects, an often silent killer in newborns. >> this is a very good test. it can prevent a devastating problem in the newborn.

>> reporter: dr. dennis davidson with the north shore l.i.j. health system routinely gives the test, called pulse-ox, or pulse oximetry. it's painless and quick. a sensor is taped to the foot, which measures blood oxygen levels. >> it's an easy test to do. the parameters of what is normal and abnormal is clear cut. the oxygen saturation has to be greater than 95% at 24 hours of age. >> reporter: a federal panel has recommended adding the test to the newborn screening test. new mother jody koravos is convinced the test is needed. within hours of delivering alex, his nails turned blue. a pulse-ox test provided critical answers. >> your baby has a problem in his heart and you need to take care of it. >> reporter: a heart defect was diagnosed and alex was immediately given medications. within days, he had his first of three heart surgeries. >> if it weren't for pulse-ox, alex would not have lived. >> reporter: the american academy of pediatrics and the

american heart association endorse pulse-ox screening. new jersey will become the first state to officially mandate pulse-ox starting next week, and other states are expected to follow suit. scott. >> pelley: thank you, jennifer. sorry to report, a good friend, colleague, and mentor to many of us here at cbs news has died. during his 30 years at cbs, lane venardos produced this and many other award-winning news broadcasts, including one in which he had a starring role. live from beijing, lane protested chinese plans to pull the plug on our coverage of the tiananmen square uprising. >> we have a written agreement with the chinese foreign ministry that allows us to broadcast until 01:00 sunday. >> pelley: lane was a legend, not only for his talent but by his wit. so while we're saddened by his passing, the mention of his name will always bring a smile around here. and we'll be right back in just

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next on cbs 5 no ids monday no ids monday >> pelley: the monuments and memorials on the national mall are few and familiar. washington, jefferson, lincoln. today, years in the making, a memorial to dr. martin luther king jr. has now opened to the

public, and we asked chip reid to give us a first look. >> reporter: when they opened the gates to the martin luther king memorial today, madeline coleman was one of the first in line. when she looked up at the face of dr. king, 30 feet above, she remembered the first time she saw him, 48 years ago on the national mall. >> i have a dream, that one day this nation will rise up, live out the true meaning of its creed. >> reporter: everyone there, she says, knew immediately it was a defining moment in the fight for equal rights. >> i mean, it was just so emotional. first of all, people were just crying, and i think because there was so much anger in a lot of people, that there arose hope that things were going to get better. >> reporter: five years later, she was devastated when king was assassinated at the age of 39. the theme of the memorial is that dr. king is emerging from

what's called the stone of hope, leaving behind the mountain of despair. dr. ed jackson, the king memorial's executive architect, led ten other accomplished architects in selecting the design from nearly 900 submissions. >> we were hoping to somehow carve out on the national mall an experience for america where they could move from lincoln to jefferson and beyond. >> reporter: some critics say the face doesn't look like dr. king, the result, they say, of selecting a famous sculptor, lei yi-shin, from china. at the memorial today, though, many visitors were focused more on king's message than on his features. >> we're all the same. we're all equal. >> reporter: susan saleh brought her three children from new jersey to teach them the values that dr. king preached. >> just because you're a different skin color doesn't mean you have to be treated differently. >> reporter: today, king's is the only major memorial on the national mall that honors someone who was not a president.

chip reid, cbs news, washington. >> pelley: that's the cbs evening news. for all of us at cbs news all around the world, good night. captioning sponsored by cbs captioned by media access group at wgbh . >> >> you're watching cbs 5 eyewitness news in high definition. >> police radios are not working like there an are supposed to, so what officers are doing to talk to each other while chasing criminals. fans behaving badly caught on video for the world to see. how a few bad apples could spoil a bay area tradition. i'll tell you about a new law and why some firefighters don't like it. >> good